HD74LS14_15 datasheet(5/9 Pages) RENESAS

Part #	HD74LS14

Description	Hex Schmitt Trigger Inverters

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Manufacturer	RENESAS [Renesas Technology Corp]

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5 / 9 page

HD74LS14

REJ03D0399-0400 Rev.4.00 Apr 07, 2009

Page 3 of 6

Electrical Characteristics

(Ta = –20 to +75 °C)

Item

Symbol

min.

typ.*

max.

Unit

Condition

VT

+

1.4

1.6

1.9

V

VCC = 5 V

Input threshold

voltage

VT

–

0.5

0.7

1.0

V

VCC = 5 V

Hysteresis

VT

+ – V

T

–

0.4

0.9

—

V

VCC = 5 V

VOH

2.7

—

V

VCC = 4.75 V, VI = 0.5 V, IOH = –400

µA

—

0.5

IOL = 8 mA

Output voltage

VOL

—

0.4

V

IOL = 4 mA

VCC = 4.75 V, VI = 1.9 V

IT

+

—

–0.14

—

mA

VCC = 5 V, VI = VT

+

Input threshold

current

IT

–

—

–0.18

—

mA

VCC = 5 V, VI = VT

–

IIH

—

20

µA

VCC = 5.25 V, VI = 2.7 V

IIL

—

–0.4

mA

VCC = 5.25 V, VI = 0.4 V

Input current

II

—

0.1

mA

VCC = 5.25 V, VI = 7 V

Short-circuit output

current

IOS

–20

—

–100

mA

VCC = 5.25 V

ICCH

—

8.6

16

mA

VCC = 5.25 V

Supply current

ICCL

—

12

21

mA

VCC = 5.25 V

Input clamp voltage

VIK

—

–1.5

V

VCC = 4.75 V, IIN = –18 mA

Note:

* VCC = 5 V, Ta = 25°C

Switching Characteristics

(VCC = 5 V, Ta = 25°C)

Item

Symbol

min.

typ.

max.

Unit

Condition

tPLH

—

15

22

ns

Propagation delay time

tPHL

—

15

22

ns

CL = 15 pF, RL = 2 k

Ω

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